Welcome to version 3.0 of the Forensic Photoshop blog - now the Forensic Multimedia Analysis blog. With the latest developments in purpose built software and hardware for the analysis of multimedia, we move the discussion beyond a single piece of software to include all the major developers, image processing fundamentals, court cases, upcoming training offerings, and product reviews.

Saturday, December 19, 2009

Justices Revisit Rule Requiring Lab Testimony

Justices Revisit Rule Requiring Lab TestimonyFrom the NY Times

"Virginia Hernandez Lopez admitted to knocking back two shots of tequila with Sprite chasers on an August night in Julian, Calif., a couple of years ago. But she said she was not drunk when her Ford Explorer collided with an oncoming Toyota pickup truck later that night, killing its driver.

In May, a California state appeals court affirmed Ms. Lopez’s conviction for vehicular manslaughter. Her blood-alcohol level two hours after the accident was, according to a report presented to the jury, just over the legal limit of .08 percent.

But the appeals court reconsidered the case after a decision in June from the United States Supreme Court that prohibited prosecutors from introducing crime lab reports without testimony from the analysts who prepared them.

The appeals court reversed Ms. Lopez’s conviction, saying prosecutors had violated her constitutional right to confront witnesses against her by failing to put the analyst who prepared the blood-alcohol report on the stand.

But now, in an unusual move, the Supreme Court will hear arguments on Jan. 11 in a new case that raises questions about how lower courts may carry out its six-month-old precedent. Many state attorneys general and prosecutors are hoping the court will overrule its decision in the earlier case, Melendez-Diaz v. Massachusetts, before it can take root, saying it is a costly, disruptive and dangerous misstep.

“Already data and anecdotal evidence are demonstrating an overwhelming negative impact,” a friend-of-the-court brief submitted by 26 attorneys general last month said. The decision, they said, “is already proving unworkable.”

Rather than overturning the court’s June decision in the new case, which involves two Virginia cocaine trafficking convictions, the justices may simply clarify the ground rules for when and how analysts’ testimony must be presented."

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